FR1071912A - Sound recording media - Google Patents

Sound recording media

Info

Publication number
FR1071912A
FR1071912A FR1071912DA FR1071912A FR 1071912 A FR1071912 A FR 1071912A FR 1071912D A FR1071912D A FR 1071912DA FR 1071912 A FR1071912 A FR 1071912A
Authority
FR
France
Prior art keywords
recording media
sound recording
sound
media
recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bell and Howell Co filed Critical Bell and Howell Co
Application granted granted Critical
Publication of FR1071912A publication Critical patent/FR1071912A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
FR1071912D 1952-01-17 1952-12-02 Sound recording media Expired FR1071912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1071912XA 1952-01-17 1952-01-17

Publications (1)

Publication Number Publication Date
FR1071912A true FR1071912A (en) 1954-09-07

Family

ID=22315317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071912D Expired FR1071912A (en) 1952-01-17 1952-12-02 Sound recording media

Country Status (1)

Country Link
FR (1) FR1071912A (en)

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